ArticleCancer2026
Fianlimab, a human lymphocyte activation gene-3 monoclonal antibody, in combination with cemiplimab: Tumor-specific expansion cohorts in advanced malignancies.
Article in Cancer, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03005782 (A Phase 1, Open-Label, Dose-Escalation and Cohort Expansion First-in-Human Study of the Safety, Tolerability, Activity and Pharmacokinetics of REGN3767), which is not on this map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase 1, Open-Label, Dose-Escalation and Cohort Expansion First-in-Human Study of the Safety, Tolerability, Activity and Pharmacokinetics of REGN3767 (Anti-LAG-3 mAb) Administered Alone or in Combination With REGN2810 (Anti-PD-1 mAb) in Patients With Advanced Malignancies
Who cites it
2 citing papers in PubMed.
- Spatial immune profiling of local tissues and its correlation with peripheral blood cytokines in lung squamous cell carcinoma patients with immune-related pneumonitis.Translational cancer research · 2026Article
- Article
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Authors and funding
26 authors.
Funding
Abstract
backgroundThe dose escalation phase of a first-in-human (FIH) study demonstrated acceptable safety and preliminary antitumor activity of fianlimab (anti-lymphocyte activation gene-3 [LAG-3]) as monotherapy and in combination with cemiplimab (anti-programmed cell death-1 [PD-1]). Here, the authors present safety and clinical activity data from the dose-expansion portion of the FIH study in patients with advanced non-small cell lung cancer (NSCLC), clear cell renal cell carcinoma (ccRCC), head and neck squamous cell carcinoma (HNSCC), and cutaneous squamous cell carcinoma (CSCC).
methodsAnti-PD-1/PD-L1 naive (N) or experienced (E) patients with advanced NSCLC, ccRCC, HNSCC, and CSCC were enrolled in this phase 1 study (NCT03005782). Patients received fianlimab 1600 mg plus cemiplimab 350 mg intravenously every 3 weeks for up to 24 months. The primary end point was the objective response rate (ORR) per RECIST 1.1.
resultsInvestigator-assessed ORR was 27% in NSCLC-N (four partial responses [PRs]), 7% in NSCLC-E (one PR), 20% in ccRCC-N (three PRs), 7% in ccRCC-E (one PR), 33% in HNSCC-N (five PRs), 7% in HNSCC-E (one PR), and 20% CSCC-E (two complete responses; one PR). The most common treatment-related treatment-emergent adverse events among patients across all cohorts were fatigue (15%), rash (12%), pruritus (10%), infusion-related reaction (10%), and adrenal insufficiency (10%).
conclusionsFianlimab plus cemiplimab demonstrated modest clinical efficacy with an acceptable safety profile in patients with advanced malignancies across several tumor types mostly in treatment-naive patients. Further investigation is warranted.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.